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- It researchs a semantic model of chemistry subject and its formulized description,so as to realize the semantic analysis,automatic integration and reuse of educational resources in the subject. 为了方便管理和有效使用各类教育资源,让计算机理解各门学科中概念的语义,本文采用了建立学科语义模型的方法,研究了化学学科的语义模型及其形式化描述。
- Electrochemistry, a green chemistry with a long history, is becoming a popular researching subject of various chemistry subjects and advanced technologies. 介绍了电化学作为重要绿色化学,将成为多种化学基础学科、应用学科和高新技术研究的热点。
- Chemistry was her favourite subject at school. 她上学时最喜欢化学。
- A Discussion of Class Practical Form of Dialogue Teaching in Chemistry Subject 论化学学科对话教学的课堂实践形式
- We have three periods of chemistry a week. 我们一星期三节化学课。
- The bandits subject us to all sort of indignity. 强盗们对我们加以各种侮辱。
- The scientist probed into the secrets of chemistry. 这位科学家探索了化学的种种奥秘。
- No one can cope with him in Chemistry. 在化学方面，谁也比不上他。
- I am not good at organic chemistry. 我的有机化学学得不好。
- He posed as an authority on that subject. 他以那个问题的权威自居。
- We will do a Chemistry experiment this Friday. 这个周五我们要做化学试验。
- I have no pretence to be an expert on the subject. 我并不自命是这方面的专家。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- He is an authority in the region of chemistry. 他是化学界的权威。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- I have only a rudimentary grasp of chemistry. 我只掌握了化学的初步知识。
- He do not throw much fresh light on the subject. 关于这个问题他没有提供很多新的见解。
- I have lost my interest in chemistry. 我对化学已不感兴趣。
- Sex is no longer the taboo subject it used to be. 现在不再像过去那样把性的问题视为禁区。
